entrypoint.sh: set the default root password to `password`

Dockerfile

@@ -9,7 +9,7 @@ RUN rm -rf /etc/apt/apt.conf.d/docker-gzip-indexes \
  && apt-get update \
  && apt-get install -y bind9 perl libnet-ssleay-perl openssl \
       libauthen-pam-perl libpam-runtime libio-pty-perl \
-      apt-show-versions python pwgen \
+      apt-show-versions python \
  && wget "http://prdownloads.sourceforge.net/webadmin/webmin_${WEBMIN_VERSION}_all.deb" -P /tmp/ \
  && dpkg -i /tmp/webmin_${WEBMIN_VERSION}_all.deb \
  && rm -rf /tmp/webmin_${WEBMIN_VERSION}_all.deb \

entrypoint.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
 set -e
 
+ROOT_PASSWORD=${ROOT_PASSWORD:-password}
+
 # script variables
 BIND_DATA_DIR=${DATA_DIR}/bind
 WEBMIN_DATA_DIR=${DATA_DIR}/webmin
@@ -44,11 +46,7 @@ if [ "${WEBMIN_ENABLED}" == "true" ]; then
   rm -rf /etc/webmin
   ln -sf ${WEBMIN_DATA_DIR}/etc /etc/webmin
 
-  # generate a random password for root
-  if [ -z "${ROOT_PASSWORD}" ]; then
-    ROOT_PASSWORD=$(pwgen -c -n -1 12)
-    echo User: root Password: $ROOT_PASSWORD
-  fi
+  # set root user password
   echo "root:$ROOT_PASSWORD" | chpasswd
 
   echo "Starting webmin..."